Home / 77,545.93-107,013.41-43,554.47

Finding the Fourth Proportional to 77,545.93, 107,013.41 and 43,554.47

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Solution

The fourth proportional to 77,545.93, 107,013.41 and 43,554.47 is: 60,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,545.93 : 107,013.41 = 43,554.47 : x
  2. Step 2: Convert to fraction form
    77,545.93/107,013.41 = 43,554.47/x
  3. Step 3: Cross multiply
    77,545.93x = 107,013.41 × 43,554.47
  4. Step 4: Simplify right side
    77,545.93x = 4,660,912,355.44
  5. Step 5: Solve for x
    x = 4,660,912,355.44/77,545.93
  6. Step 6: Final answer
    x = 60,105.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.